
// 单个导出  export

export  let num = 100;

export  function text() {
    console.log("hello");
}

export  class Hello {
    name;
    age;
    constructor(name,age){
        this.name=name;
        this.age = age
    }
    showName(){
        console.log(this.name);
        
    }
    showAge(){
        console.log(this.age);
        
    }

}